Drugs A - Z
Antitussive with Antihistamines Oral suspension
Generic Name: carbetapentane-pyrilamine
Brand Names: Pyrlex CB
What is this medicine?CARBETAPENTANE; PYRILAMINE (kar bay ta PEN tane; peer ILL a meen) is a combination of a cough suppressant and an antihistamine. It is used to relieve cough due to asthma, bronchitis, and a cold. This medicine will not treat an infection.
What should I tell my health care provider before I take this medicine?They need to know if you have any of these conditions:
- difficulty passing urine
- heart disease
- high blood pressure
- lung disease
- overactive thyroid
- if you have taken an MAOI like Carbex, Eldepryl, Marplan, Nardil, or Parnate in the last 14 days
- an unusual or allergic reaction to carbetapentane; pyrilamine, medicines, foods, dyes, or preservatives
- pregnant or trying to get pregnant
How should I use this medicine?Take this medicine by mouth. Follow the directions on the prescription label. Take this medicine with food or milk if it upsets your stomach. Shake well before use. Use a specially marked spoon or container to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your medicine at regular intervals. Do not take your medicine more often than directed.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years of age for selected conditions, precautions do apply.
Patients over 65 years old may have a stronger reaction and need a smaller dose.
What if I miss a dose?If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
What may interact with this medicine?Do not take this medicine with any of the following medications:
- MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
This medicine may also interact with the following medications:
- medicines for anxiety or sleep
- medicines that cause drowsiness
- other medicines for colds or cough
What should I watch for while using this medicine?Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol may interfere with the effect of this medicine. Avoid alcoholic drinks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will help.
This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. Contact your doctor if the problem does not go away or is severe.
What side effects may I notice from receiving this medicine?Side effects that you should report to your doctor or health care professional as soon as possible:
- blood pressure changes
- breathing problems
- confusion, excitability, nervousness
- irregular heartbeat
- trouble passing urine or change in the amount of urine
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
- dry eyes
- dry mouth
- nausea, vomiting
Where should I keep my medicine?Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.